/scratch/workspace/artdaq-demo-v2_09_03/SLF6/s48-e10-prof/build/artdaq_node_server/v1_00_07/src/node_modules/xml2js/node_modules/xmlbuilder/node_modules/lodash/mapKeys.js
_.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) { return key + value; }); // => { 'a1': 1, 'b2': 2 }